The platypus is one of the most unique animals in the world. It’s a mammal, but it lays eggs. It has webbed feet, a beaver-like tail, and an otter-like snout and bill that helps it locate food ...

Adult males measure 15.7 to 24.8 inches long from the tip of their bill to the tip of their tail and weigh 1.7 to 6.6 pounds. Females are smaller than males, measuring 14.5 to 21.6 inches in length ...

Most humans probably think very little of the platypus — if at all. But this strange Australian mammal, with its webbed feet and beaver-like tail, is actually a treasure trove of genetic information.

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The platypus is one of the most mysterious members of the animal world. Even in the 21st century, there is still so much we don’t know about them. This “odd duck” was once so mysterious that it was ...